I have acquired a fingertip Pulse Oximeter to review for freedivers use and wonder if anyone has some good ideas to test it out.
What kind of drop in O2 should I be expecting after a max static (Dry, its not a waterproof one!) ? It's taking a load of activity in apnea to see much of a drop so far.... even exhale statics don't show much of a drop...
anyone got experience of these things?
Sam
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